USRE38639E1 - Composition comprising a mixture of alkoxylated mono-, di- and triglycerides and glycerine - Google Patents

Composition comprising a mixture of alkoxylated mono-, di- and triglycerides and glycerine Download PDF

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USRE38639E1
USRE38639E1 US10/073,941 US7394102A USRE38639E US RE38639 E1 USRE38639 E1 US RE38639E1 US 7394102 A US7394102 A US 7394102A US RE38639 E USRE38639 E US RE38639E
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following formula
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Maria Jose Bermejo Oses
Miguel Mundo Blanch
Nuria Siscart Laguna
Pilar Castan Barberan
Josep Vilaret Ferrer
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Kao Corp SA
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Kao Corp SA
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols

Definitions

  • the present invention relates to a composition comprising a mixture of alkoxylated mono-, di-, and triglycerides and glycerine, to methods for the preparation of this composition, to detergent compositions comprising this composition, and to the use of the composition as surfactant or co-surfactant in detergent compositions.
  • EP 0 586 323 B1 discloses detergent compositions showing improved properties regarding the ecotoxicity and the irritation to the eyes and to the skin. These compositions comprise the mono-, di- and tri-ester compounds represented by the following formula, wherein the weight ratio of mono-, di-, and tri-ester is 46-90/9-30/1-15:
  • R′ represents H or CH 3
  • B represents H or
  • R represents an alkyl or alkenyl group having 6 to 22 carbon atoms
  • each of m, n, and l may have a value between 0 to 40, the sum of m, n and l being in the range of from 2 to 100.
  • compositions disclosed in EP 0 586 323 B1 having a good foaming power is generally low. Although the viscosity may be increased when the alkoxylation degree is lowered, this is generally not preferred, since then the foaming power is also dramatically decreased. Therefore, a salt such as sodium chloride is generally added in order to increase the viscosity. However, adding a salt leads to an enhanced irritation of the skin and the eyes.
  • compositions showing a high viscosity and good foam stability while also showing the good properties with respect to biodegradability and irritation to the eyes and the skin.
  • R′ representing H or CH 3 , and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of 1 to 4;
  • R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.
  • the weight ratio of the compounds (i)/(ii)/(iii) ( iii )/( ii )/( i ) in the composition of the present invention is preferably 60 to 83/16 to 35/1 to 6.
  • R′ in formula (I) represents H, that is, the compounds are ethoxylated derivatives.
  • the sum of m, n and l in formula (I) is in the range of 1 to 4, preferably 1.5 to 3.0, more preferably in the range of 1.5 to smaller than 2.
  • the weight ratio (i)+(ii)+(iii)/(iv) is preferably in the range of 85/15 to 40/60, more preferably in the range 80/20 to 45/55.
  • compositions of the present invention can be prepared by a first method comprising the following steps:
  • R represents an alkyl or alkenyl group having 6 to 22 carbon atoms
  • step b) subjecting the reaction mixture obtained in step a) to an alkoxylation using an alkylene oxide having 2 or 3 carbon atoms in the presence of an alkaline catalyst.
  • the interesterification reaction in step a) is governed by statistics. Consequently, the molar ratio of the compounds (i), (ii), (iii), and (iv) in the final product is determined by the ratio of the starting materials glycerine and the compound of formula (III).
  • the subsequent alkoxylation reaction of step b) is a reaction which generally proceeds quantitatively, so that the amount of alkylene oxide used determines the alkoxylation degree (that is, the sum of m, n, and l).
  • the molar ratio of the compounds (i), (ii), (iii), and (iv) is not affected by the alkoxylation, since the alkylene oxide only reacts with the remaining free hydroxyl groups in the mono- and di-ester molecules and the glycerine. However, the weight ratio of the compounds (i), (ii), (iii), and (iv) is consequently changed. Since the outcome of both reaction steps a) and b) can be predicted by the skilled person, modelling calculations can be employed to determine the correct ratio of the starting materials for a specific predetermined weight ratio of the compounds (i), (ii), (iii), and (iv) and a specific predetermined alkoxylation degree.
  • the compound of formula (III) includes natural fat and oil as well as synthetic triglycerides.
  • a fat or oil including vegetable oil such as coconut oil; palm oil; palm kernel oil; sunflower oil; rape seed oil; castor oil; olive oil; soybean oil; and animal fat such as tallow, bone oil; fish oil; hardened oils and semihardened oils thereof, and mixtures thereof.
  • vegetable oil such as coconut oil; palm oil; palm kernel oil; sunflower oil; rape seed oil; castor oil; olive oil; soybean oil; and animal fat such as tallow, bone oil; fish oil; hardened oils and semihardened oils thereof, and mixtures thereof.
  • coconut oil, palm oil and tallow such as beef tallow.
  • composition of the present invention can be produced by a second method comprising the following steps:
  • R is defined as above for formula (III) and X represents a methyl group or H.
  • the degree of alkoxylation in the final product (that is, the sum of m, n, and l) is determined by the amount of alkylene oxide employed in step a′).
  • Step b′) determines the molar ratio and the weight ratio of the compounds (i), (ii), (iii), and (iv).
  • the outcome of both reaction steps a′) and b′) can be predicted by the skilled person, so that modelling calculations can be employed to determine the correct ratio of the starting materials for a specific predetermined weight ratio of the compounds (i), (ii), (iii), and (iv) and a specific predetermined alkoxylation degree.
  • the compound of formula (IV) is preferably derived from one of the fats or oils which are preferably used in the first method of the present invention and which are listed above. Particularly preferred are tallow fatty acid and coconut oil fatty acid, palm oil fatty acid, or a methyl ester thereof.
  • composition of the present invention is preferably used as a surfactant or co-surfactant in detergent compositions in which they are preferably contained in an amount of from 0.5 to 20 wt. %, more preferably 1 to 8 wt. %.
  • the detergent compositions of the present invention may additionally contain one or more of the following additives, depending on the purpose of the detergent composition, this list being non-limiting.
  • Anionic surfactants such as sodium alkyl ether sulphate, ammonium alkyl ether sulphate, triethanolamine alkyl ether sulphate, sodium alkyl sulphate, ammonium alkyl sulphate, triethanolamine alkyl sulphate, sodium alpha-olefin sulphonate, sodium alkyl sulphonate, sulphosuccinates, and sulphosuccinamates.
  • Fatty acids or soaps derived from natural or synthetic sources such as coco, oleic, soya and tallow fatty acids.
  • Esters of fatty acids from natural or synthetic sources such as glycol, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, saccharose, glucose or polyglycerine.
  • Amphoteric surfactants such as alkyl amidopropyl betaine, alkyl betaine, alkyl amidopropyl sulphobetaine, alkyl sulphobetaine, cocoamphoacetates, and cocoamphodiacetates.
  • Amine oxides such as dimethyl alkylamine oxides or alkyl amidopropylamine oxides.
  • Amides such as monoethanolamides, diethanolamides, ethoxylated amides or alkylisopropanolamides.
  • Cationic surfactants such as dialkyl dimethyl ammonium halides, alkyl benzyl dimethyl ammonium halides, alkyl trimethyl ammonium halides, esterquats derived from triethanolamine, methyldiethanolamine, dimethylaminopropanediol and oligomers of such esterquats.
  • additives to improve such formulations such as thickeners, pearling agents, opacifiers, antioxidants, preservatives, colorants or perfumees.
  • compositions of the present invention were prepared according to the following methods; the values for the indicated parameters X, X′, s, m, m′, n, n′, Y, Y′, Z, Z′ are shown in tables I and II:
  • X g (X′ moles) of triglyceride (coconut oil or palm oil), m (m′ moles) of glycerine and s g of KOH 85% as catalyst are placed in a 2 kg flask properly equipped.
  • the system is purged several times with nitrogen, vacuum stripping is carried out until 110° C., and heating is continued to 140° C.
  • the reactor is pressurised to 2-3 Kg/cm 2 with ethylene oxide added until a total of n g (n′ moles).
  • m g (m′ moles) of glycerine and s g KOH 85% as catalyst are placed in a 2 Kg flask properly equipped.
  • the system is purged several times with nitrogen, vacuum stripping is carried out until 110° C. and heating is continued to 140° C.
  • the reactor is pressurised to 2-3 Kg/cm 2 with ethylene oxide added until a total of n g (n′ moles).
  • the reaction mixture is allowed to react for about 1 ⁇ 2 hour, z g (z′ moles) of a methyl ester of fatty acid (either coconut oil fatty acid or palmoil fatty acid), is added and mixed for 45 minutes. Finally, the product is cooled and discharged from the reactor.
  • m g (m′ moles) of glycerine and s g KOH 85% as catalyst are placed in a 2 Kg flask properly equipped.
  • the system is purged several times with nitrogen, vacuum stripping is carried out until 110° C. and heating is continued to 140° C.
  • the reactor is pressurised to 2-3 Kg/cm 2 with ethylene oxide added until a total of n g (n′ moles).
  • y g (y′ moles) of a fatty acid either coconut oil fatty acid or palm oil fatty acid
  • detergent compositions were prepared with the composition of the present invention in an amount of 5 wt. % and sodium laurylethersulphate in an amount of 15 wt. %, the balance being water.
  • Sodium chloride was added in the amount indicated in Tables I and II (in wt. %).
  • the foam ability was measured at 5 seconds with a Ross-Miles apparatus using water at a temperature of 20° C. and a hardness of 20° HF. (values given in millimeters height).
  • Formulations containing the composition of the present invention are exemplified by the following:
  • the detergent compositions of the present invention may be formulated as shampoos, baby shampoos, conditioning shampoos, bath gels, hair conditioners, for manual dishwashing, and as all purpose cleaners which are exemplified below (all values indicated are weight percentages):
  • Baby Shampoo BS1 BS2 COMPONENTS Deionized water to 100 to 100 Sodium Lauryl sulfate (27% 25.0 8.0 Dry) (Emal ® 227E from Kao) Sodium Cocoamphoacetate (40% 7.5 15.0 Dry) (Betadet ® SHC-2 from Kao)

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Detergent Compositions (AREA)
  • Fats And Perfumes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cosmetics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The present invention relates to a composition comprising a mixture of alkoxylated mono-, di-, and triglycerides and glycerine of the following formula
Figure USRE038639-20041026-C00001
R′ representing H or CH3, and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of from 1 to 4, each of B1, B2, and B3 representing H or
Figure USRE038639-20041026-C00002
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.; and the weight ratio of triglyceride/diglyceride/monoglyceride monoglyceride/diglyceride/triglyceride being 46 to 90/9 to 35/1 to 15.
The invention also relates to methods for the preparation of this composition, to detergent compositions comprising this composition, and to the use of the composition as surfactant or co-surfactant in detergent compositions.

Description

DESCRIPTION
The present invention relates to a composition comprising a mixture of alkoxylated mono-, di-, and triglycerides and glycerine, to methods for the preparation of this composition, to detergent compositions comprising this composition, and to the use of the composition as surfactant or co-surfactant in detergent compositions.
Most of the known detergent compositions use anionic, amphoteric and/or non-ionic surfactants to obtain a final product showing satisfactory properties in terms of detergency and foam profile. However, most of these compositions are generally not satisfactory regarding the problem of ecotoxicity and the irritation to the eyes and the skin.
EP 0 586 323 B1 discloses detergent compositions showing improved properties regarding the ecotoxicity and the irritation to the eyes and to the skin. These compositions comprise the mono-, di- and tri-ester compounds represented by the following formula, wherein the weight ratio of mono-, di-, and tri-ester is 46-90/9-30/1-15:
Figure USRE038639-20041026-C00003
wherein R′ represents H or CH3, B represents H or
Figure USRE038639-20041026-C00004
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms, and each of m, n, and l may have a value between 0 to 40, the sum of m, n and l being in the range of from 2 to 100.
The viscosity of compositions disclosed in EP 0 586 323 B1 having a good foaming power is generally low. Although the viscosity may be increased when the alkoxylation degree is lowered, this is generally not preferred, since then the foaming power is also dramatically decreased. Therefore, a salt such as sodium chloride is generally added in order to increase the viscosity. However, adding a salt leads to an enhanced irritation of the skin and the eyes.
In view of this prior art it was the problem underlying the present invention to provide compositions showing a high viscosity and good foam stability, while also showing the good properties with respect to biodegradability and irritation to the eyes and the skin.
This problem is surprisingly solved by a composition comprising
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (I), wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 46 to 90/9 to 35/1 to 15:
Formula (I)
Figure USRE038639-20041026-C00005
R′ representing H or CH3, and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of 1 to 4;
Formula (II):
Figure USRE038639-20041026-C00006
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.
The weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) in the composition of the present invention is preferably 60 to 83/16 to 35/1 to 6.
Particularly preferred are compounds of formula (I) wherein R′ in formula (I) represents H, that is, the compounds are ethoxylated derivatives.
The sum of m, n and l in formula (I) is in the range of 1 to 4, preferably 1.5 to 3.0, more preferably in the range of 1.5 to smaller than 2.
The weight ratio (i)+(ii)+(iii)/(iv) is preferably in the range of 85/15 to 40/60, more preferably in the range 80/20 to 45/55.
The compositions of the present invention can be prepared by a first method comprising the following steps:
a) Subjecting a mixture of glycerine and a compound of the following formula (III) to an interesterification reaction:
Figure USRE038639-20041026-C00007
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms, and
b) subjecting the reaction mixture obtained in step a) to an alkoxylation using an alkylene oxide having 2 or 3 carbon atoms in the presence of an alkaline catalyst.
The interesterification reaction in step a) is governed by statistics. Consequently, the molar ratio of the compounds (i), (ii), (iii), and (iv) in the final product is determined by the ratio of the starting materials glycerine and the compound of formula (III). The subsequent alkoxylation reaction of step b) is a reaction which generally proceeds quantitatively, so that the amount of alkylene oxide used determines the alkoxylation degree (that is, the sum of m, n, and l). The molar ratio of the compounds (i), (ii), (iii), and (iv) is not affected by the alkoxylation, since the alkylene oxide only reacts with the remaining free hydroxyl groups in the mono- and di-ester molecules and the glycerine. However, the weight ratio of the compounds (i), (ii), (iii), and (iv) is consequently changed. Since the outcome of both reaction steps a) and b) can be predicted by the skilled person, modelling calculations can be employed to determine the correct ratio of the starting materials for a specific predetermined weight ratio of the compounds (i), (ii), (iii), and (iv) and a specific predetermined alkoxylation degree.
The compound of formula (III) includes natural fat and oil as well as synthetic triglycerides. Preferred is a fat or oil including vegetable oil such as coconut oil; palm oil; palm kernel oil; sunflower oil; rape seed oil; castor oil; olive oil; soybean oil; and animal fat such as tallow, bone oil; fish oil; hardened oils and semihardened oils thereof, and mixtures thereof. Particularly preferred are coconut oil, palm oil and tallow such as beef tallow.
Further, the composition of the present invention can be produced by a second method comprising the following steps:
a′) Reacting a mixture of glycerine and alkylene oxide having 2 or 3 carbon atoms in the presence of an alkaline catalyst.
b′) Reacting the reaction mixture obtained in step a′) with a compound of the following formula (IV).
Figure USRE038639-20041026-C00008
 wherein R is defined as above for formula (III) and X represents a methyl group or H.
The degree of alkoxylation in the final product (that is, the sum of m, n, and l) is determined by the amount of alkylene oxide employed in step a′). Step b′) then determines the molar ratio and the weight ratio of the compounds (i), (ii), (iii), and (iv). Again, the outcome of both reaction steps a′) and b′) can be predicted by the skilled person, so that modelling calculations can be employed to determine the correct ratio of the starting materials for a specific predetermined weight ratio of the compounds (i), (ii), (iii), and (iv) and a specific predetermined alkoxylation degree.
The compound of formula (IV) is preferably derived from one of the fats or oils which are preferably used in the first method of the present invention and which are listed above. Particularly preferred are tallow fatty acid and coconut oil fatty acid, palm oil fatty acid, or a methyl ester thereof.
The composition of the present invention is preferably used as a surfactant or co-surfactant in detergent compositions in which they are preferably contained in an amount of from 0.5 to 20 wt. %, more preferably 1 to 8 wt. %.
The detergent compositions of the present invention may additionally contain one or more of the following additives, depending on the purpose of the detergent composition, this list being non-limiting.
1. Anionic surfactants such as sodium alkyl ether sulphate, ammonium alkyl ether sulphate, triethanolamine alkyl ether sulphate, sodium alkyl sulphate, ammonium alkyl sulphate, triethanolamine alkyl sulphate, sodium alpha-olefin sulphonate, sodium alkyl sulphonate, sulphosuccinates, and sulphosuccinamates.
2. Fatty acids or soaps derived from natural or synthetic sources such as coco, oleic, soya and tallow fatty acids.
3. Ethoxylated alcohols.
4. Esters of fatty acids from natural or synthetic sources such as glycol, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, saccharose, glucose or polyglycerine.
5. Ethoxylated fatty esters from fatty acids of hydroxy-fatty acids.
6. Amphoteric surfactants such as alkyl amidopropyl betaine, alkyl betaine, alkyl amidopropyl sulphobetaine, alkyl sulphobetaine, cocoamphoacetates, and cocoamphodiacetates.
7. Amine oxides such as dimethyl alkylamine oxides or alkyl amidopropylamine oxides.
8. Amides such as monoethanolamides, diethanolamides, ethoxylated amides or alkylisopropanolamides.
9. Alkylpolyglycosides.
10. Ether carboxylates from alcohols, ethoxylated fatty alcohols.
11. Cationic surfactants such as dialkyl dimethyl ammonium halides, alkyl benzyl dimethyl ammonium halides, alkyl trimethyl ammonium halides, esterquats derived from triethanolamine, methyldiethanolamine, dimethylaminopropanediol and oligomers of such esterquats.
12. Additives to improve such formulations, such as thickeners, pearling agents, opacifiers, antioxidants, preservatives, colorants or parfumes.
EXAMPLES
Compositions of the present invention were prepared according to the following methods; the values for the indicated parameters X, X′, s, m, m′, n, n′, Y, Y′, Z, Z′ are shown in tables I and II:
Method 1: From Triglyceride
X g (X′ moles) of triglyceride (coconut oil or palm oil), m (m′ moles) of glycerine and s g of KOH 85% as catalyst are placed in a 2 kg flask properly equipped. The system is purged several times with nitrogen, vacuum stripping is carried out until 110° C., and heating is continued to 140° C. When the temperature reaches 140° C. the reactor is pressurised to 2-3 Kg/cm2 with ethylene oxide added until a total of n g (n′ moles).
Method 2: From Methyl Ester
m g (m′ moles) of glycerine and s g KOH 85% as catalyst are placed in a 2 Kg flask properly equipped. The system is purged several times with nitrogen, vacuum stripping is carried out until 110° C. and heating is continued to 140° C. When the temperature reaches 140° C., the reactor is pressurised to 2-3 Kg/cm2 with ethylene oxide added until a total of n g (n′ moles). After the final charges of ethylene oxide, the reaction mixture is allowed to react for about ½ hour, z g (z′ moles) of a methyl ester of fatty acid (either coconut oil fatty acid or palmoil fatty acid), is added and mixed for 45 minutes. Finally, the product is cooled and discharged from the reactor.
Method 3: From Fatty Acid
m g (m′ moles) of glycerine and s g KOH 85% as catalyst are placed in a 2 Kg flask properly equipped. The system is purged several times with nitrogen, vacuum stripping is carried out until 110° C. and heating is continued to 140° C. When the temperature reaches 140° C., the reactor is pressurised to 2-3 Kg/cm2 with ethylene oxide added until a total of n g (n′ moles). After the final charges of ethylene oxide, the reaction mixture is allowed to react for about ½ hour, y g (y′ moles) of a fatty acid (either coconut oil fatty acid or palm oil fatty acid), is added and mixed for 45 minutes. Finally, the product is cooled and discharged from the reactor.
The weight ratios of the mono-, di-, and triglycerides obtained by the above methods is also indicated in Tables I and II.
Then, detergent compositions were prepared with the composition of the present invention in an amount of 5 wt. % and sodium laurylethersulphate in an amount of 15 wt. %, the balance being water. Sodium chloride was added in the amount indicated in Tables I and II (in wt. %).
The viscosity of the compositions was then measured with a Brookfield viscosimeter at 20° C. For each experiment, a viscosity curve was prepared in order to determine the maximum (values given in cps).
The foam ability was measured at 5 seconds with a Ross-Miles apparatus using water at a temperature of 20° C. and a hardness of 20° HF. (values given in millimeters height).
The results are summarized in Tables I and II.
TABLE I
Examples according to the present invention
Mixtures of 15% Active Matter of Sodium Laurylether Sulphate + 5% product
EXAMPLES A A′ B D E E′ F F′ G H
Comp.
Mono 69 69 69 77 70 70 77 77 71 78
Di 28 28 28 22 27 27 21 21 26 20
Tri 3 3 3 2 3 3 2 2 3 2
Alkyl chain Coco Palm Coco Coco Coco Palm Coco Palm Coco Coco
(R)
EO 1.88 1.88 1.76 1.4 2.5 2.5 2.5 2.5 3.5 3.5
Prep. way
Method 1 3 1 3 1 1 3 1 3 3
Tri- 461.8 470.3 422.3 476.4 400
glyceride
(x)
moles trg 0.69 0.7 0.63 0.57 0.48
(x′)
Fatty Acid 494.3 396 329.8 351 286.2
(y)
moles FA 1.85 1.87 1.56 1.66 1.35
(y′)
Methyl-
ester (z)
moles ME
(z′)
Glycerine 252.1 283.8 256.8 382 230.6 209 318 248.5 253.9 276
(m)
moles gly 2.74 3.09 2.79 4.15 2.51 2.27 3.46 2.7 2.76 3
(m′)
Ethylene 283.4 255.2 270.2 255.7 344.6 312.3 380.2 349.6 424.9 462
Oxide (n)
moles (n′) 6.44 5.8 6.14 5.81 7.83 7.1 8.64 7.95 9.66 10.5
KOH (85%) 2.7 1.2 2.7 1.2 2.4 2.2 1 1.8 1 0.8
(s)
Max visc. 45000 80000 43000 15000 22000 35000 18000 25000 26000 36000
Salt nec. 2.5 2.5 2.5 6 3.5 3.5 4 4 3.5 4
Foam 175 170 175 175 170 170 175 170 170 180
TABLE II
Comparative Examples
Mixtures of 15% Active Matter of Sodium Laurylether
Sulphate + 5% product
EXAMPLES C I J K L M N O
Comp.
Mono 90 40 59 77 46 79 69 57
Di 10 46 35 21 42 19 28 36
Tri 0 17 6 2 12 1 3 7
Alkyl chain (R) Coco Coco Coco Coco Coco Coco Coco Tallow
EO 2.2 2.2 4.4 0.8 3.5 4.4 15 9.9
Prep. way
Method 1 1 1 1 1 1 1 2
Tri-glycerid (x) 197.2 670.3 422.8 470 561.2 266.1 187.5
moles trg (x′) 0.29 0.99 0.63 0.7 0.83 0.39 0.28
Fatty Acid (y)
moles FA (y′)
Methyl-ester (z) 369
moles ME (z′) 1.3
Glycerine (m) 376.8 111.8 146 363.6 114.9 211.3 76.8 119.3
moles gly (m′) 4.1 1.22 1.59 3.95 1.25 2.3 0.83 1.3
Ethylene Oxide 424.8 213.9 428.7 163.7 320.6 521.1 734.6 564.7
(n)
moles (n′) 9.65 4.86 9.74 3.72 7.29 11.84 16.7 12.83
KOH (85%) (s) 1.2 3.7 2.6 2.4 3.1 1.5 1.1 1.6
Max visc. 4000 6000 13000 8000 7000 9000 5000 4000
Salt nec. 5 6 3 4 5 4 4 4
Foam 170 175 175 130 160 155 145 120
As may be derived from the results above, when the ethoxylation degree is larger than 4 (Ex. J, M, N, O), maximum viscosity is always lower than 14000 cps measured with a Brookfield viscosimeter at 20° C. When the ethoxylation degree is lower than 1 (Ex. K) viscosity is also lower than 14000 cps. When the triester content is lower than 1 (Ex. C; 90/10/0), maximum viscosity is also very low (lower than 14000 cps). When the diester content is too high (Ex. I: 40/46/17 and Ex L: 46/42/12), then the viscosity is also lower than 14000 cps.
However, when the samples are within the alkoxylation degree in accordance with the present invention (1 to 4 EQ mols), viscosities are considerably higher (see Table I). Specially this behaviour is enhanced when the EQ mols are between 1.5 and 3 (Ex A, A′, B, E, E′, F, F′).
Formulations containing the composition of the present invention are exemplified by the following:
The detergent compositions of the present invention may be formulated as shampoos, baby shampoos, conditioning shampoos, bath gels, hair conditioners, for manual dishwashing, and as all purpose cleaners which are exemplified below (all values indicated are weight percentages):
Baby Shampoo
BS1 BS2
COMPONENTS
Deionized water to 100 to 100
Sodium Lauryl sulfate (27% 25.0 8.0
Dry) (Emal ® 227E from Kao)
Sodium Cocoamphoacetate (40% 7.5 15.0
Dry) (Betadet ® SHC-2 from Kao)
Example A product 2.0 2.0
Lauryl hydroxysultaine (45% 4.0
Dry) (Betadet ® S-20 from Kao)
PEG-20 Sorbitan Laurate — 1.0
(Kaopan ® TW-L-120 from Kao)
PEG-120 Methylglucose dioleate — 0.2
(Glucamate-DOE-120 ® from
Amerchol)
NaCl 0.2 —
Preservative 0.05 0.05
ANALYSIS
Appearance Transparent Transparent
viscous viscous
liquid liquid
pH (100%) 6.5-7.5 6.5-7.5
Viscosity (cps) 20° C. 5000-7000 1000-2000
Turbidity point (° C.) <0 <0
% Dry matter 12.5-14.5 10.5-12.5
Stability OK OK
Shampoo
COMPONENTS
Deionized water to 100
Sodium Lauryl sulfate (70% Dry) 23.0
(Emal ® 270E from Kao)
Cocoamidopropoxybetaine (48% Dry) 10.0
(Betadet ® HR-50K from Kao)
Example B product 1.8
Pearling agent (Danox ® P-15 3.0
from Kao)
Perfume e.q.
NaCl e.q.
Preservative e.q.
ANALYSIS
Appearance Pearled
viscous
liquid
pH (100%) 6.0-7.0
Viscosity (cps) 20° C. ≈8000
% Dry matter 24-26
Stability OK
Conditioning shampoo
COMPONENTS
Deionized water to 100
Sodium Lauryl sulfate (27% Dry) 32.0
(Emal ® 227E from Kao)
Sodium Cocoamphoacetate (40% Dry) 7.5
(Betadet ® SHC-2 from Kao)
Example E product 3.5
Lauryl hydroxysultaine (45% Dry) 5.0
(Betadet ® S-20 from Kao)
Oleic esterquat (80% Dry Matter) 0.5
(Tetranyl ® CO-40 from Kao)
Pearling agent (Danox ® BF-22 3.0
from Kao)
Perfume e.q.
NaCl e.q.
Preservative e.q.
ANALYSIS
Appearance Pearled
viscous
liquid
pH (100%) 6.0-6.5
Viscosity (cps) 20° C. ≈7000
% Dry matter 19-21
Stability OK
Bath gel
COMPONENTS
Deionized water to 100
Sodium Lauryl sulfate (27% Dry) 37.0
(Emal ® 277 E from Kao)
Cocoamidopropoxybetaine (34% Dry) 10.0
(Betadet ® HR from Kao)
Example F product 2.5
Perfume 0.5
NaCl 0.5
Preservative Kathoe CG ® 0.05
from Rohm & Haas
EDTA.Na2 0.05
ANALYSIS
Appearance Transparent
viscous
liquid
pH (100%) 5.0-6.0
Viscosity (cps) 20° C. 6000-8000
Turbidity point (° C.) <0
% Dry matter 18-20
Stability OK
Hair conditioner
HC1 HC2
COMPONENTS
Deionized water to 100 to 100
Propyleneglycol 2.0 2.0
Dioleic esteruat (80% Dry 1.9 —
Matter) (Tetranyl ® CO-40
from Kao)
Cetrimonium Chloride (25% Dry) — 6.0
(Quartamin ® 60W25 from Kao)
Cetearyl alcohol (Kalcol ® 6870 3.0 3.0
from Kao)
Example A product 0.5 0.5
Perfume e.q. e.q.
Preservative e.q. e.q.
ANALYSIS
Appearance White White
viscous viscous
emulsion emulsion
pH (100%) 4-6 4-6
Viscosity (cps) 20° C. ≈5000 ≈5000
% Dry matter 4.5-5.5 4.5-5.5
Stability OK OK
Manual dishwashing
MD1 MD3
COMPONENTS
Deionized water to 100 to 100
Na Laurylethersulfate (70% 9.5 17.0
Dry) (Emal ® 270E from Kao)
Sodium C14-16 Olefin Sulfoeate 27.0 14.7
(37% Dry) (Alfanox ® 46
from Kao)
Cocoamidopropoxybetaine (34% 2.0 2.0
Dry) (Betadet ® HR)
Cocoamid DEA (Amidet ® B-112 1.0 1.0
from Kao)
Example E′ product 2.0 2.0
NaCl 2.0 1.5
Formaldehyde 40% 0.1 0.1
ANALYSIS
Appearance Transparent Transparent
viscous viscous
liquid liquid
pH (100%) 6.5-7.5 6.5-7.5
Viscosity (cps) 20° C. 400-800 400-800
Turbidity point (° C.) −6 −4
% Dry matter 22-24 22-24
Washed dishes 17 17
Stability OK OK
All purpose cleaner
COMPONENTS
Deionized water to 100
Sodium C14-16 Olefin Sulfonate 14.6
(37% Dry) (Alfanox ® 46 from Kao)
Example E′ product 2.0
Tetrapotassium pyrophosphate 3.0
Butylglycol 1.0
EDTA.Na4 2.3
Perfume e.q.
Preservative e.q.
ANALYSIS
Appearance Transparent
liquid
pH (100%) 7.0-8.0
Viscosity (cps) 20° C. <10
% Dry matter 13.0-14.0
Stability OK

Claims (11)

What is claimed is:
1. Composition comprising
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (I), wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 46 to 90/9 to 35/1 to 15:
Formula (I):
Figure USRE038639-20041026-C00009
R′ representing H or CH3, and each of m, n, and l independently representing a number from 0 to 4 1, the sum of m, n and l being in the range of 1 to 4 in formula (I) is from 1 to smaller than 2;
Formula (II):
Figure USRE038639-20041026-C00010
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.
2. Composition according to claim 1, wherein the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) is 60 to 83/16 to 35/1 to 6.
3. Composition according to claim 1, wherein R′ in formula (I) represents H.
4. Composition according to claim 1, wherein the sum of m, n and l in formula (I) is in the range of 1.5 to 3.0.
5. Composition comprising
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (I), wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 60 to 83/16 to 35/1 to 6:
Formula (I):
Figure USRE038639-20041026-C00011
R′ representing H, and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of 1.5 to 3.0;
Formula (II):
Figure USRE038639-20041026-C00012
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.
6. Composition according to claim 5, wherein the sum of m, n and l in formula (I) is smaller than 2.
7. Composition according to claim 5, wherein the weight ratio (i)+(ii)+(iii)/(iv) is in the range of 85/15 to 40/60.
8. Method for the preparation of a composition comprising
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (I), wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 46 to 90/9 to 35/1 to 15:
Formula (I):
Figure USRE038639-20041026-C00013
R′ representing H or CH3, and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of 1 to 4;
Formula (II):
Figure USRE038639-20041026-C00014
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms;
the method comprising the following steps:
a) subjecting a mixture of glycerine and a compound of the following formula (III) to an interesterification reaction:
Figure USRE038639-20041026-C00015
 wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms, and
b) subjecting the reaction mixture obtained in step a) to an alkoxylation using an alkylene oxide having 2 or 3 carbon atoms in the presence of an alkaline catalyst.
9. Method for the preparation of a composition comprising
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (I), wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 46 to 90/9 to 35/1 to 15:
Formula (I):
Figure USRE038639-20041026-C00016
R′ representing H or CH3, and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of 1 to 4;
Formula (II):
Figure USRE038639-20041026-C00017
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms;
the method comprising the following steps:
a′) reacting a mixture of glycerine and alkylene oxide having 2 or 3 carbon atoms in the presence of an alkaline catalyst, and
b′) reacting the reaction mixture obtained in step a′) with a compound of the following formula (IV):
Figure USRE038639-20041026-C00018
 wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms, and X represents a methyl group or H.
10. Detergent composition containing a composition comprising the following compounds (i) to (iv) in an amount of 0.5 to 20 wt.-%.
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (I), wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of Bi B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 46 to 90/9 to 35/1 to 15:
Formula (I):
Figure USRE038639-20041026-C00019
R′ representing H or CH3, and each of m, n, and l independently representing a number from 0 to 4, the sum of m, n and l being in the range of 1 to 4;
Formula (II):
Figure USRE038639-20041026-C00020
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.
11. Detergent composition containing a composition comprising the following compounds (i) to (iv) in an amount of 1 to 8 wt.-%.
(i) compounds represented by the following formula (I), wherein each of B1, B2 and B3 independently represent a group represented by the following formula (II);
(ii) compounds represented by the following formula (II) (I) wherein two of B1, B2 and B3 independently represent a group represented by the following formula (II), the remainder representing H;
(iii) compounds represented by the following formula (I), wherein one of B1, B2 and B3 represents a group represented by the following formula (II); the remainder representing H;
(iv) compounds represented by the following formula (I), wherein each of B1, B2 and B3 represent H;
the weight ratio of the compounds (i)/(ii)/(iii) (iii)/(ii)/(i) being 60 to 83/16 to 35/1 to 6:
Formula (I):
Figure USRE038639-20041026-C00021
R′ representing H, and each of m, n, and l independently representing a number from 1 to 4, the sum of m, n and l being in the range of 1.5 to 3.0;
Formula (II):
Figure USRE038639-20041026-C00022
wherein R represents an alkyl or alkenyl group having 6 to 22 carbon atoms.
US10/073,941 1999-04-13 2002-02-14 Composition comprising a mixture of alkoxylated mono-, di- and triglycerides and glycerine Expired - Lifetime USRE38639E1 (en)

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